Fibula

proximal

5

43 - 59 y

(52 y)

1.0 - 4.5 cm

(2.9 cm)

All patients showed some scalloping in the fibular head

1 curetted, bone plasty enchondroma

Imaging available for 6 patients at

3 - 13 y (7.4 y)

no change;

2 additional patient asymptomatic at

3, 12 y

Other cartilaginous lesions n = 10

Diagnosis/

Localization

n

Age

Remarks

Treatment

Chondrosarcoma grade II proximal Tibia

1

30 y

Figure 4

Wide resection, endoprosthesis

Enchondroma type Ollier

Femur distal

1

53 y

Observation

Enchondroma type Ollier

Tibia distal

1

34 y

Observation

Osteochondroma

Fibula

3

21 - 56 y

(42 y)

Resection

Periosteal chondroma

Femur distal

1

34 y

Wide resection

Chondrosarcoma exostotic grade I

Scapula

1

19 y

Wide resection

At f/u 4 y no recurrence

Myxoid chondrosarcoma

Pelvis

1

31 y

Wide resection

Enchondroma

Rib

1

35 y

Observation

At 2 y f/u unchanged

Fibrous dysplasia including LSMFT, for illustration see Figure 5

Femur 13, Pelvis 7, Rib 1, Ulna 1, Fibula 2, Tibia 7

31

11 - 72 y

(43 y)

4 cases biopsy proven

Non-ossifying fibroma/fibrous cortical defect, for illustration see Figure 6

NOF/Fibrous histiocytoma

31

3 - 52 y

(22 y)

2 cases curetted and bone plasty for diagnostic purposes